X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fvbo%2Fvbo_exec_array.c;h=bd2fccdba1456fb5a8b79f48d26cb8c9e5b84718;hb=43867acb6afc7fad26cdc2f22b2a3bb6eeefb2da;hp=fd70b57b72edb67d97762169dd344859af83f5fe;hpb=1f196b786d6bd0c6a5dbdc638574ff716cc3d4de;p=mesa.git

diff --git a/src/mesa/vbo/vbo_exec_array.c b/src/mesa/vbo/vbo_exec_array.c
index fd70b57b72e..bd2fccdba14 100644
--- a/src/mesa/vbo/vbo_exec_array.c
+++ b/src/mesa/vbo/vbo_exec_array.c
@@ -35,7 +35,6 @@
 #include "main/bufferobj.h"
 #include "main/enums.h"
 #include "main/macros.h"
-#include "glapi/dispatch.h"
 
 #include "vbo_context.h"
 
@@ -146,7 +145,7 @@ check_array_data(GLcontext *ctx, struct gl_client_array *array,
                                array->Ptr, array->BufferObj->Name);
                   f[k] = 1.0; /* XXX replace the bad value! */
                }
-               //assert(!IS_INF_OR_NAN(f[k]));
+               /*assert(!IS_INF_OR_NAN(f[k]));*/
             }
          }
          break;
@@ -689,6 +688,16 @@ vbo_exec_DrawRangeElementsBaseVertex(GLenum mode,
     * or we can read/write out of memory in several different places!
     */
 
+   /* Catch/fix some potential user errors */
+   if (type == GL_UNSIGNED_BYTE) {
+      start = MIN2(start, 0xff);
+      end = MIN2(end, 0xff);
+   }
+   else if (type == GL_UNSIGNED_SHORT) {
+      start = MIN2(start, 0xffff);
+      end = MIN2(end, 0xffff);
+   }
+
    if (end >= ctx->Array.ArrayObj->_MaxElement) {
       /* the max element is out of bounds of one or more enabled arrays */
       warnCount++;
@@ -739,6 +748,10 @@ vbo_exec_DrawRangeElementsBaseVertex(GLenum mode,
           */
       }
 #endif
+
+      /* Set 'end' to the max possible legal value */
+      assert(ctx->Array.ArrayObj->_MaxElement >= 1);
+      end = ctx->Array.ArrayObj->_MaxElement - 1;
    }
    else if (0) {
       _mesa_printf("glDraw[Range]Elements{,BaseVertex}"